Hi,

We are getting this exception on trying to insert to a table:

insert into materials (id, a, b, c, d, e, f) values (null, ?, ?, ?, ?, ?,
'a') [50200-168]; nested exception is org.h2.jdbc.JdbcSQLException: Timeout
trying to lock table ; SQL statement:
insert into materials (id, a, b, c, d, e, f) values (null, ?, ?, ?, ?, ?,
'a') [50200-168]
        at
org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:124)
        at
org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.translate(SQLErrorCodeSQLExceptionTranslator.java:322)
        at
org.springframework.orm.hibernate3.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:424)
        at
org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:410)
        at
org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:379)
        at
org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:645)
        at com.x.MaterialRepository.save(MaterialRepository.java:281)
        at 
com.x.MaterialRepository.findOrCreateFrom(MaterialRepository.java:317)
        at
com.x.MaterialDatabaseUpdater.folderFor(MaterialDatabaseUpdater.java:140)
        at
com.x.MaterialDatabaseUpdater.initializeMaterialWithLatestRevision(MaterialDatabaseUpdater.java:102)
        at
com.x.MaterialDatabaseUpdater.access$000(MaterialDatabaseUpdater.java:30)
        at
com.x.MaterialDatabaseUpdater$1.doInTransaction(MaterialDatabaseUpdater.java:73)
        at
com.x.transaction.TransactionCallback.doWithExceptionHandling(TransactionCallback.java:8)
        at
com.x.transaction.TransactionTemplate$3.doInTransaction(TransactionTemplate.java:37)
        at
org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:128)
        at
com.x.transaction.TransactionTemplate.executeWithExceptionHandling(TransactionTemplate.java:33)
        at
com.x.MaterialDatabaseUpdater.updateMaterial(MaterialDatabaseUpdater.java:71)
        at 
com.x.MaterialUpdateListener.onMessage(MaterialUpdateListener.java:27)
        at 
com.x.MaterialUpdateListener.onMessage(MaterialUpdateListener.java:12)
        at
com.x.messaging.activemq.JMSMessageListenerAdapter.runImpl(JMSMessageListenerAdapter.java:49)
        at
com.x.activemq.JMSMessageListenerAdapter.run(JMSMessageListenerAdapter.java:34)
        at java.lang.Thread.run(Thread.java:662)
Caused by: org.h2.jdbc.JdbcSQLException: Timeout trying to lock table ; SQL
statement:
insert into materials (id, a, b, c, d, e, f) values (null, ?, ?, ?, ?, ?,
'a') [50200-168]
        at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
        at org.h2.message.DbException.get(DbException.java:158)
        at org.h2.command.Command.filterConcurrentUpdate(Command.java:276)
        at org.h2.command.Command.executeUpdate(Command.java:232)
        at
org.h2.jdbc.JdbcPreparedStatement.executeUpdateInternal(JdbcPreparedStatement.java:156)
        at
org.h2.jdbc.JdbcPreparedStatement.executeUpdate(JdbcPreparedStatement.java:142)
        at
org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)
        at
org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)
        at
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:94)
        at
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:57)
        at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2176)
        at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2656)
        at
org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:71)
        at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)
        at
org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:321)
        at
org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
        at
org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
        at
org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
        at
org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
        at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
        at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:563)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:551)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:547)
        at
org.springframework.orm.hibernate3.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:648)
        at
org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:374)
        ... 17 more
Caused by: org.h2.jdbc.JdbcSQLException: Concurrent update in table
"UNIQUE_a_INDEX_A": another transaction has updated or deleted the same row
[90131-168]
        at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
        at org.h2.message.DbException.get(DbException.java:169)
        at org.h2.message.DbException.get(DbException.java:146)
        at org.h2.table.RegularTable.addRow(RegularTable.java:146)
        at org.h2.command.dml.Insert.insertRows(Insert.java:124)
        at org.h2.command.dml.Insert.update(Insert.java:84)
        at org.h2.command.CommandContainer.update(CommandContainer.java:75)
        at org.h2.command.Command.executeUpdate(Command.java:230)
        ... 40 more

We are using: h2-1.3.168.jar with Hibernate (3.3.2.GA) & IBatis (2.3.4.726).
With following settings: jdbc:h2:" + path +
"/cruise;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE;MVCC=TRUE;CACHE_SIZE=131072;DATABASE_EVENT_LISTENER='"
+ ClassName + "'";

We found this post related to the error:
http://stackoverflow.com/questions/14060632/how-to-do-testing-with-hibernate-h2-using-testng

Do you have an idea when this can occur?

Regards,
Srinivas




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